/*
 * Copyright (c) 2022 Huawei Device Co., Ltd.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
import { paramMock } from "../utils"
import { ErrorObserverClass as _ErrorObserver } from "./application/ErrorObserver"

export function mockErrorManager() {
    const errorManager = {
        registerErrorObserver: function (...args) {
            console.warn('errorManager.registerErrorObserver interface mocked in the Previewer. How this interface works on the' +
              ' Previewer may be different from that on a real device.');
            return paramMock.paramNumberMock;
        },
        unregisterErrorObserver: function (...args) {
            console.warn('errorManager.unregisterErrorObserver interface mocked in the Previewer. How this interface works on the' +
              ' Previewer may be different from that on a real device.');
            const len = args.length;
            if (typeof args[len - 1] === 'function') {
              args[len - 1].call(this, paramMock.businessErrorMock);
            } else {
              return new Promise((resolve, reject) => {
                resolve();
              });
            }
        },
        ErrorObserver: new _ErrorObserver()
    }
    return errorManager
}